Respuesta :

AnonymousPerson14

Answer:

This is just a guess, but probably because it is the first sentence a reader sees, and so it has to be good for the reader to want to keep reading.

twarrenn
it substantiates or supports an essay's thesis statement; it unifies the content of a paragraph and directs the order of the sentences; and it advises the reader of the subject to be discussed and how the paragraph will discuss it.